BoardOK Fiber Cement Board
It's 100% free of asbestos, formaldehyde, benzene and other harmful substances and
with excellent performance like high strength, large size, light weight, fire and water proofing, green and environmental
friendly, high efficient and energy-saving.

APPLICATION

1. Interior and exterior wall; Furred ceiling

2. Insulation materials, floor; Road barrier

3. Sound-adsorbing wall & suspended ceiling

SPECIFICATION

Thickness: 3.5-30mm

Standard size: 1220*2440mm or 1200*2400mm

Note: other specification is available

TECHNICAL DATA

Index

Moderate compressed

Density(g/cm3)

1.44

Water absorption (%)

28

Wet expansion (%)

0.17

Water penetration

No water drop on the board surface after 24hours

Modulus of Rupture

Air dried condition

14

Saturated condition

10

Frost resistant

No delamination and crack after 25cycles under freezing and thawing

Index

High density

Density(g/cm3)

1.64

Water absorption (%)

17.8

Wet expansion (%)

0.15

Water penetration

Back side without water drop after 24 hours

Modulus of Rupture

Air dried condition

20.1

Saturated condition

15.0

Frost resistant

No layers and no cracks after 25 cycles under freezing and thawing

Index

Middle density

Incombustibility

Incombustible Class A1

Water penetration

Back side without water drop after 24 hrs

Modulus of rupture

Air dried condition

15

Saturated condition

12

Incombustibility: A1-class (GB8624-1997)

Fire-proof rating: 240 minutes (GB/T9978-1999)

Density: 1.8g/cm3

Water Content: ≤10%

Water absorption:≤30%

Thermal conduction: 0.24W/MK (Jc/t564) Average

Bending strength: ≥16MPa (GB/T7019-1997)

Bulking factor: <0.2% (GB/T7019-1997)

Dry shrinking rate: <0.09% (GB/T7019-1997)

shock strength: ≥2.0Kj/m2

Dry shrinking rate: <0.09% (GB/T7019-1997)

Water-impermeability: through water immersing for 24 HR, no water drop appeared on bottom surface

Anti-freeze: no distortion after 25 repeated cycles of freezing and thawing